EP0735979B1 - Procede et dispositif permettant de fa onner un pli longitudinal - Google Patents

Procede et dispositif permettant de fa onner un pli longitudinal Download PDF

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Publication number
EP0735979B1
EP0735979B1 EP95904379A EP95904379A EP0735979B1 EP 0735979 B1 EP0735979 B1 EP 0735979B1 EP 95904379 A EP95904379 A EP 95904379A EP 95904379 A EP95904379 A EP 95904379A EP 0735979 B1 EP0735979 B1 EP 0735979B1
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EP
European Patent Office
Prior art keywords
folding
signatures
longitudinal
entry
rollers
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Expired - Lifetime
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EP95904379A
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German (de)
English (en)
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EP0735979A1 (fr
Inventor
Rudolf Philipp ÖCHSNER
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Koenig and Bauer AG
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Koenig and Bauer Albert AG
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Publication of EP0735979A1 publication Critical patent/EP0735979A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • B65H2406/122—Nozzles

Definitions

  • the invention relates to a method and Device for producing a longitudinal fold according to the preamble of claims 1 and 10.
  • EP 0 068 341 A1 describes a generic one Process for creating a fold break on signatures. This process is done by a device performed the insertion of a recess allowed along a designated fold line if this Signatures left and right of the intended fold line jammed between upper and lower conveyor belts a longitudinal folding device are fed so that the Signatures left and right of the intended fold line jammed between upper and lower conveyor belts and already fed to the longitudinal folding device and there subsequently by means of a perpendicular to Direction of transport of a signature to be folded Impact device in an inlet gusset moved in one between two rotating folding rollers Folding roller gap are pressed, the Rotation axes of the folding rollers parallel to the Folding roller gap run.
  • JP-A-5 186141 describes an apparatus for Introduction of a fold break in a signature by at least in the area of the desired fold line force compressing two Sigant judgments, whereby left and right of the fold line and to this axially parallel with their axes of rotation from each other evenly spaced, fixed to the frame, driven folding rollers are arranged, one in the direction of a gap, acting up and in cycles outgoing folding knife is provided.
  • US-PS 52 22 934 is a transport device for signatures in a folder one Web-fed rotary printing press has become known, by means of which is the signatures between two conveyor belts guided, on a stop and impact surface aligned and then into a known one Longitudinal folding device for producing a so-called third Folded.
  • the invention has for its object a method and a device for producing a longitudinal fold, e.g. B. a so-called second longitudinal fold for high To create production speeds.
  • the invention in particular the following Advantages achieved: As a result of preforming the signatures along an imaginary fold line during your Transport route to a folder is both Time as well as aligning the signatures during the standstill of the same saved. Will continue by preforming the signatures the lifting height of the Folding knife drastically reduced. According to others Embodiments will move up and down moving folding knife completely dispensed with, so that the Reversing the direction of movement of the folding knife is not necessary and thus the smooth running of the folder is improved. It is also according to another embodiment the invention possible to complete the folding process a straight transport direction of the signatures to execute.
  • a printed product consisting of several sheets of paper, e.g. B. a signature 71 consisting of several sheets its left and right portions 72, 73 along one provided fold line 74, of holding means, for. B. of upper and lower conveyor belts 6, 7; 5, 10 sandwiched (Fig. 1) so that the parts 72, 73 lie between the conveyor belts 6, 7.
  • One part 72, 73 can also be made up of several, arranged parallel to each other, but not shown Conveyor belts 6, 7; 5, 10 seized and led will.
  • the left and right parts 72, 73 of the Signature 71 are now up to one selectable inner distance b2 (top arc) of their Ends 76, 77 moved towards each other.
  • the left and right part 72, 73 of signature 71 in profile seen both a movement in the x direction as well in the y-direction of a rectangular coordinate system (Fig. 2).
  • the bands 6, 7; 5, 10 their position to each other, d. H. from a previous one first horizontal position in the direction of the x axis in an inclined position in which the bands 6, 7; 5, 10 are arranged in a v-shape (distance b2 of the ends 76, 77).
  • both parts 72, 73 of the signature 71 through one of the left and right of the fold line 74 acting force P1, P2 compressed so that a Fold break 78 arises.
  • the forces P1, P2 act here in an immediate area along the intended Fold line 74 (FIG. 3) and the distance b between the ends 76, 77 from each other continues to decrease (b3 in Fig. 3).
  • a position of the signatures 71 in an x direction (distance bl of the ends 76, 77) or in an x-plane, (Fig. 4) are only in the area of the intended fold line 74 located parts 79, 81 of the left and right parts 72, 73 of the signatures 71 in the x and y directions rectangular coordinate system moved towards each other (Distance b4, Fig. 5).
  • the lateral ends 76, 77, d. H. the longitudinal edges of the signatures 71 move the said right-angled only in the x-direction Coordinate system.
  • the bottom bow 69 one smoothed signature 71 is on his Fold line 74 brought into position on the y-axis with a distance f2 to the x-axis.
  • Fold break 78 (Fig. 6).
  • a dashed representation in 6 shows a signature 71 that has been finished folded later.
  • a fold line 74 longitudinal guide 82 extending in the transport direction C. be provided, which resiliently against the fold line 74 of the signatures 71 creates (Fig. 5), as this still will be described later.
  • the left and right part 72, 73 of the signature 71 can be symmetrical to the fold line 78, d. H. be half or asymmetrical.
  • first longitudinal folding device Via two axially parallel to each other, driven folding rollers 2, 3, their axes of rotation 83, 84 are equally spaced from one another, that between the two folding rollers 2, 3, a folding gap 86 arises, is a clockwise towards and against of the folding gap 86 ascending and descending folding knife 87 arranged.
  • the folding blade 87 only has to have a small lifting height in order to Fold break 78 along the fold line 74 in the signatures 71 to introduce (Fig. 7).
  • the direction of transport (C) the signatures 71 opposite profile side of the Folding knife 87 can at least in the lower region, i.e. H. beveled in the area of its cutting edge to be in the incoming signatures if necessary 71 with their superscript left and right parts 72, 73 can penetrate better.
  • a second Longitudinal folding device designated 88 in total is, the axially parallel over the folding gap 86 mutually extending folding rollers 2, 3 a bar arranged.
  • This bar carries in axially parallel Direction to the axes of rotation 83, 84 of the folding rollers 2, 3 blow air nozzles 89, the blow air in the direction of the nip 86 blow.
  • the left and right parts 72, 73 existing signatures 71 are already V-shaped preformed that the force of the fold line 74 of the Signatures 71 directed blowing air is sufficient to one Falzbruch 78 to bring in the signatures 71, or the Signatures 71 in the gap 86 of the opposite direction to each other, in the direction of the blowing air flowing out to bring rotating folding rollers 2, 3 (Fig. 8).
  • a third longitudinal folding device designated 90 in total (Fig. 9), which also like the first and second Longitudinal folding device 80, 88 two axially parallel to each other arranged, driven folding rollers 2, 3, whose axes of rotation 83, 84 from each other evenly so are spaced between the two folding rollers 2, 3 a folding gap 86 also arises.
  • the folding rollers 2, 3 also run synchronously to each other and point each projecting beyond its periphery 91, 92 drivers 93 extending in the axis-parallel direction, 94 on.
  • the drivers 93, 94 can be rigid be and consist of elastic material, e.g. B. made of plastic.
  • the drivers 93, 94 can in one other embodiment movable, d. H. in the coat the folding rollers 2, 3 can be retracted into it, e.g. B. against the force of springs 96, 97 (Fig. 9) or by means of Controlled drives, not shown.
  • the drivers 93, 94 can be in the axis-parallel direction 83, 84 on the periphery 91, 92 of the folding cylinder 2, 3 in the form of a bar or in the form of several consecutively arranged strips be.
  • FIG Folding rollers 2, 3 it is also possible to use those shown in FIG Folding rollers 2, 3 without forming the drivers 93, 94 and in the direction of an enema gusset to provide counter-rotating folding rollers, the round cross section with two semicircles each have different radii, so that a common but different gap 86 after every half turn of both folding rollers arises.
  • This fold gap 86 has the same effect like the driver 93; 94. After every half turn the folding rollers alternate with one another Folding gap with a slightly larger gap.
  • Such Folding rollers also rotate synchronously against each other.
  • the different columns are mirror images of Fold line 74.
  • a fourth longitudinal folding device designated 99 in total (Fig. 10).
  • the transport direction C are Signatures 71 left and right of the fold line 74 a number of folding rollers 101, 102, 103, 104; 106, 107, 108, 109 arranged, their axes of rotation 111, 112, 113, 114; 116, 117, 118, 119 vertical to the transport direction C in the direction of the y-axis of a right-angled coordinate system.
  • the Transport direction C corresponds to a z-axis three-dimensional rectangular coordinate system.
  • the clearances d, e of a pair of rollers 111, 116; 104, 109 in the x direction (FIG.
  • the folding rollers 101 to 104 and 106 to 110 have at least a compressive effect to a part 79, 81 of the signatures 71 in the area of the Folding line 74.
  • a length 1 of the folding rollers 101 to 104 and 106 to 110 may be sized to be as in 11, only act in the area of the fold line 74 or have a length that is the width of a left or right part 72, 73 corresponds to a signature 71. Furthermore, it is possible, as shown in FIG.
  • This longitudinal guide 82 can be designed in various ways and also with a lower support device 24 cooperate (Fig. 12, Fig. 13).
  • a longitudinal folding device 1 is known Way from a driven folding roller pair 2, 3, a longitudinally folding knife that rises and falls in cycles 4, several driven upper conveyor belts 6, 5 and driven lower conveyor belts 7, 10 which already has a first cross fold Signatures 71 from a folder 8 via driven Tape control systems 9, 11 take over for longitudinal folding and following a device, not shown, e.g. B. forward a paddle wheel.
  • the top Conveyor belts 6, 5 and the lower conveyor belts 7, 10 lead further past the longitudinal folding device 1 and are over belt rolls, not shown driven.
  • the belt roller 12 is on both sides at the end of two attached to a side frame 14, cantilevers 16 pointing towards the folder 8, 17 stored.
  • Between the lower conveyor belts 7, 10 is in the transport direction of the signatures 71 in the middle an inlet channel 18, which of the Belt roll 13 starting horizontally in the direction of Longitudinal folding device 1 runs and directly into one Inlet gusset opens between the folding rollers 2, 3.
  • the inlet channel 18 is between two Inlet plates 121, 122, the first longitudinal edges 123, 124 form-fitting with side frames or with brackets 16, 17 are connected and their second longitudinal edges 22, 23 towards the base of the canal or in Direction of the y-axis (minus) are curved with a Radius that corresponds to the radius of the folding rollers 2, 3.
  • the longitudinal edges 22, 23 delimit the channel bottom in x-direction of the rectangular coordinate system or can also be labeled with a total of 24 Work together the holding device.
  • the counter holding device 24 consists of a number aligned on one another a rail 29 of spherical rollers 31, which is an upper run 32 of an endless belt 33 support, which has a deflection roller 34 with its lower strand 37 is fed back and over the belt roller 13 is driven.
  • This rail 29 is remote from its side frame first end 31 pivotally mounted on a shaft 39, which also carries the belt rollers 13.
  • a second End 41 of the rail 29 is fixed with a side frame Actuating device 42 non-positively and positively connected, which is a vertical adjustability of this end 41 of the rail 29 allows.
  • the inlet channel 18 runs above of the belt system 24 in parallel with a wheel arrangement 43 as an embodiment of the longitudinal guide 82.
  • This wheel arrangement 43 consists of a number aligned one behind the other on a rail 44
  • Guide wheels 46 each on its circumference have a semicircular groove in cross section Recording the lower run 47 of an endless belt 48 with a circular cross-section.
  • Belt 48 runs in the direction of production below the guide wheels 46 parallel to the upper run 32 of the band 33 via a deflection roller 49 and a tension roller 51 returned with its upper run 52 and from the Belt roller 12 driven.
  • the rail 44 is with its first end 53 remote from the side frame on one Shaft 54 pivotally mounted, which also the Belt rollers 12 carries.
  • a second end 56 of the rail 44 is with an actuator fixed to the side frame 57 positively and positively connected, which one vertical adjustability of this end 56 of the rail 44 against a force of a spring, not shown enables.
  • the guide wheels 46 on the upper rail 44 are to the rollers 31 of the lower rail 29th each arranged "on a gap", d. H.
  • the number of the guide wheels 46 to the number of rollers 31 can in a ratio of 1: 1 or preferably in Ratio of 2: 1 exist.
  • this longitudinal guide 82 which against the counter-holding device 24 acts as follows: That of the folder 8 by means of tape guidance systems 9, 11 funded signatures 71 are between the upper and lower conveyor belts 6, 7; 5, 10 guided. The underside of the signatures 71 lies in Production direction seen in the middle on the upper one Run 32 of volume 33. Between the upper run 32 of the belt 33 and the lower run 47 of the belt 48 then there is a distance which is the thickness of the Signatures 71 corresponds. This distance is medium the adjusting devices 42, 57 can be preset. While conveying the signatures 71 through the conveyor belts 6, 7; 5, 10 presses the belt 48 in alignment with the future longitudinal fold 74 by means of the spring force of Rail 44 on the signatures 71.
  • the longitudinal folding process takes place two-stage by the signatures 71 on the fold line 74 pre-folded and subsequently in the longitudinal folding device 2, 3, 4 are finished. After completion of this longitudinal fold 78, the folded products are one Not shown paddle wheel supplied.
  • the folded products can be attached to two baffles at the front and be aligned backwards before using the paddle wheel to reach.
  • the rear baffle is labeled 58 and shown.
  • the band 33 can be made of medium hard Plastic with fabric insert.
  • the strap 48 is designed as a round belt and can also be made of medium-hard plastic.
  • the guide wheels 46 of the longitudinal guide 82 can on their Circumference instead of a semicircular groove in cross section for receiving the lower run 47 of the belt 48 with circular cross-section also a groove with a V-shaped Have cross-section, so that an endless belt can be used with a diamond-shaped cross section.
  • the guide wheels 46 do not have a belt 48, but are by drives, not shown, z. B. by means of the same shaft of the guide wheels 46 arranged gears, driven.
  • the Wheels arrangement 43 both function as a longitudinal guide Take over 82, in which the left and right Parts 72, 73 of the signature 71 with an inner distance b, z. B. b4 (Fig. 5) are moved towards each other as also against one located under the wheel arrangement 43 Counter-holding device 24 act.
  • a distance f2 of the bottom sheet 69 on his fold line 74 to his Ends 76, 77 located in the x-plane is thereby at least twice the thickness of the signature 71
  • Longitudinal guide 82 is a so-called "pinching" (permanent deformation of the paper fiber) of signature 71 brought about in the fold line 74.
  • the upper and lower conveyor belts 6, 7; 5, 10 executed holding means can in the surface the inlet plates 123, 124 may be guided, for. B. by channels 126, 127 running in the transport direction C, the the cross section of the at least lower conveyor belts 7 are adjusted.
  • several can Conveyor belts 6, 7; 5, 10 in the inlet plates 121, 122 may be arranged parallel to each other.
  • a z. B. Signature consisting of several sheets 71 will be on their intended fold line 74 adjacent right and left parts (73; 72) between upper and lower conveyor belts 6, 7; 5, 10 "pinched” transported.
  • the signature 71 experiences a movement in the direction of downstream longitudinal folding device 1; 80 and in intended folding direction.
  • On her way to hers Longitudinal folding device 1; 80 pass through the signatures 71 a pre-folding device 24; 82.
  • the signature 71 in Area of the intended fold line 74 "V-shaped" preformed.
  • the baseline of the V-shaped preform the signature 71 forms the imaginary fold line 74.
  • Auf their way to the longitudinal folding device 1; 80 lowers the intended fold area in the direction provided Folding direction considerably.
  • Such a cut is z. B. 30-50 mm. So lowered it runs Signature between the folding knife edge of the folding knife 87 or the impact device near the largest Approximation of the folding rollers 2; 3, the folding nip 86, against a stop.
  • the folding nip 86 is adjustable within limits and can also be zero Millimeters.
  • the journals are the folding rollers 2; 3 spring loaded.
  • a distance between the lowest position of the signature 71 and the Folding roller gap can be between 10 and 20 mm.
  • the Folding knife 87 then only needs one movement coming inside the inlet gusset from an upper position, i.e. H. a lifting movement short stroke length, e.g. B.
  • up and down folding knife 87 can of course also a blowing air device 89 or in the Folding rollers 2, 3 resiliently arranged driver strips 93, 94 may be provided.
  • the mass-bound folding knife 87 only a few strokes the folding speed can be considerable increase.
  • the one coming from the inside of the inlet gusset Movement of the folding knife 87 can also be from an upper one Waiting position done out.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (31)

  1. Procédé pour créer un pli (78) dans des signatures (71), les signatures (71) étant transmises à un dispositif de pliage longitudinal (1 ; 80) en étant prises, à gauche et à droite de la ligne de pliure prévue (74), entre des transporteurs à courroie supérieur et inférieur, (6, 7 ; 5, 10) et étant ensuite poussées dans un interstice de rouleaux de pliage (86) situé entre deux rouleaux de pliage tournants (2 ; 3) en étant déplacées dans une chambre de cône d'insertion à l'aide d'un dispositif percutant (87, 89, 93, 94) agissant perpendiculairement au sens d'acheminement (C) de la signature à plier (71), les axes de rotation (83 ; 84) des rouleaux de pliage (2 ; 3) s'étendant parallèlement à l'interstice de rouleaux de pliage (86), caractérisé en ce que les signatures (71) sont transmises au dispositif de pliage longitudinal (1 ; 80) en étant déjà prépliées.
  2. Procédé selon la revendication 1, caractérisé en ce que, avant leur insertion dans le dispositif de pliage longitudinal (1 ; 80), les signatures (71) sont préformées en V le long de leur ligne de pliure prévue (74).
  3. Procédé selon la revendication 2, caractérisé en ce que les parties préformées en V des signatures (71) sont engagées dans une chambre située entre le dispositif percutant (87, 89, 93, 94) et l'interstice de rouleaux de pliage (86), en ce que les signatures (71) ainsi formées sont poussées dans l'interstice de rouleaux de pliage (86) par un déplacement, amorcé à l'intérieur de ladite chambre de cône d'insertion, du dispositif percutant en forme de lame de pliage (87), et y reçoivent un pli définitif.
  4. Procédé selon la revendication 3, caractérisé en ce que les signatures (71) sont saisies directement ou indirectement par les rouleaux de pliage (2 ; 3) dans la zone du pli prévu (78) et traversent l'interstice de rouleaux de pliage (86) pour réaliser le pli définitif (78).
  5. Procédé selon la revendication 1 à 3, caractérisé en ce que, après leur insertion dans la chambre de cône d'insertion, les signatures (71) préformées en V rencontrent une butée et leur mouvement dans le sens d'acheminement (C) prend fin à cet endroit avant que le dispositif percutant à effet vertical (87) n'entre en action.
  6. Procédé selon les revendications 1 à 5, caractérisé en ce que les extrémités (76 ; 77) des deux parties (72 ; 73) de la signature (71) sont rapprochées l'une de l'autre à une distance présélectionnée (b2, b3).
  7. Procédé selon les revendications 1 à 6, caractérisé en ce que les extrémités (76 ; 77) des signatures (71) sont amenées à la distance présélectionnée (b2, b3) au cours de leur transmission (z) au dispositif de pliure (80 ; 88 ; 90 ; 99) suivant la ligne de pliure prévue (78).
  8. Procédé selon les revendications 1 à 6, caractérisé en ce que les deux parties (72, 73) de la signature (71) sont disposées de manière au moins symétrique à la ligne de pliure prévue (78).
  9. Procédé selon les revendications 1 à 5, caractérisé en ce que la signature (71), dont la feuille inférieure extrême (69) est amenée dans la position (f1 ; f2) distante de la signature mise à plat (71) et qui est ainsi préformée, est ensuite engagée dans un dispositif de pliure (80 ; 88 ; 90 ; 99) pour créer un pli (78).
  10. Procédé pour créer un pli (78) dans des signatures (71), à droite et à gauche de la ligne de pliure prévue (74) des signatures étant disposés des transporteurs à courroie supérieur et inférieur qui les enserrent, de façon que les signatures soient transmises à un dispositif de pliage longitudinal (1 ; 8) en étant prises entre les transporteurs à courroie supérieur et inférieur (6, 7 ; 5, 10), le dispositif de pliage longitudinal (1 ; 8) comportant un dispositif percutant (87 ; 89 ; 93 ; 94), qui agit sur la signature à plier, et deux rouleaux de pliage tournant (2 ; 3), qui coopèrent avec celui-ci, qui sont disposés à gauche et à droite de la ligne de pliure (74), dont les axes de rotation (83, 84) sont paralèlles et équidistants de celle-ci et qui sont solidaires du bâti, et le dispositif percutant (87 ; 89 ; 93, 94) agissant perpendiculaireemnt au sens d'acheminement des transporteurs à courroie (6, 7 ; 5, 10) pour pousser les signatures dans un interstice de rouleaux de pliage (86) situé entre les deux rouleaux de pliage (2 ; 3), caractérisé en ce que le dispositif de pliage longitudinal est précédé d'un dispositif de prépliure (24 ; 82).
  11. Dispositif selon la revendication 10, caractérisé en ce que le dispositif percutant conçu sous la forme d'une lame de pliage (87) est monté avec une possibilité d'entraínement, de façon que son bord de lame de pliage puisse se déplacer d'une position d'attente à l'intérieur de la chambre de cône d'insertion jusqu'à l'interstice de rouleaux de pliage (86) et revenir en position d'attente.
  12. Dispositif selon la revendication 10, caractérisé en ce que les rouleaux de pliage (2, 3) comportent des moyens d'entraínement (93, 94) qui dépassent de leur périphérie (91, 92) et s'étendent dans la direction (83, 84) parallèle à leur axe.
  13. Dispositif selon la revendication 10, caractérisé en ce qu'à gauche et à droite de la ligne de pliure (74) sont disposées des pluralités de rouleaux de pliage (101, 102, 103, 104 ; 106, 107, 108, 109) dont les axes de rotation (111, 112, 113, 114 ; 116, 117, 118, 119) s'étendent dans la direction y perpendiculairement au sens d'acheminement (C), en ce que les rouleaux de pliage (101, 102, 103, 104 ; 106, 107, 108, 109) présentent entre eux, par paires, la même distance au moins dans la direction x, et en ce que les rouleaux de pliage (101, 102, 103, 104 ; 106, 107, 108, 109) agissent sur les signatures (71) au moins dans la zone immédiatement voisine de la ligne de pliure (74).
  14. Dispositif selon la revendication 12, caractérisé en ce que les moyens d'entraínement (93, 94) sont disposés, dans la surface périphérique des rouleaux de pliage (2, 3), sur une barrette.
  15. Dispositif selon la revendication 12, caractérisé en ce que, dans la surface périphérique des rouleaux de pliage (2, 3), les moyens d'entraínement (93, 94) sont disposés sur des tronçons de barrettes placés les uns derrière les autres parallèlement à l'axe des rouleaux de pliage.
  16. Dispositif selon les revendications 12, 14 et 15, caractérisé en ce que les moyens d'entraínement (93, 94) sont de conception rigide.
  17. Dispositif selon les revendications 12, 14 et 15, caractérisé en ce que les moyens d'entraínement (93, 94) sont montés sur ressorts.
  18. Dispositif selon la revendication 10, caractérisé en ce qu'un canal d'insertion (18) est formé entre deux tôles d'insertion (121, 122) dans le sens d'acheminement (C) des signatures (71), en ce que les premiers bords longitudinaux (123, 124) desdites tôles d'insertion sont solidarisés par complémentarité de formes à un bâti de presse (16, 17), en ce que leurs seconds bords longitudinaux (19, 21) sont cintrés en direction du fond du canal d'insertion (18), en ce qu'au-dessus du fond du canal d'insertion (18) est disposé un moyen de guidage longitudinal (82) qui s'étend dans le sens d'acheminement (C) et dont l'inclinaison est réglable, en ce que les tôles d'insertion (121, 122) reçoivent des moyens de maintien (6, 7 ; 5, 10) pouvant se déplacer dans le sens d'acheminement (C) des signatures (71).
  19. Dispositif selon la revendication 18, caractérisé en ce que le moyen de guidage longitudinal (82) est conçu sous la forme d'une lame mousse.
  20. Dispositif selon la revendication 18, caractérisé en ce que le moyen de guidage longitudinal (82) est conçu sous la forme d'un porte-galets avec une pluralité de roues de guidage (46) montées sur un rail (44) dans l'alignement les unes des autres.
  21. Dispositif selon les revendications 18 et 20, caractérisé en ce que, par sa première extrémité (53), le rail (44) est monté pivotant sur un arbre (54) recevant simultanément un rouleau à bande (12) et, par sa seconde extrémité (56), est monté réglable de manière élastique par rapport à un dispositif inférieur de contre-appui (24) au moyen d'un dispositif de réglage (57) solidaire du bâti latéral.
  22. Dispositif selon la revendication 20, caractérisé en ce que les roues de guidage (46) sont entraínées.
  23. Dispositif selon les revendications 20 et 22, caractérisé en ce que les roues de guidage (46) comportent à leur périphérie une gorge à section semi-circulaire.
  24. Dispositif selon les revendications 20, 21 et 23, caractérisé en ce que, sur leur face tournée vers le dispositif de contre-appui (24), les roues de guidage (46) guident dans leur gorge le brin inférieur (47) d'une courroie sans fin (48).
  25. Dispositif selon les revendications 20, 21 et 24, caractérisé en ce que les roues de guidage (46) comportent à leur périphérie une gorge à section en V dans laquelle est guidé le brin inférieur (47) d'une courroie sans fin à section en losange.
  26. Dispositif selon la revendication 21, caractérisé en ce que le dispositif de contre-appui (24) est constitué d'une pluralité de galets de roulement (31) qui sont montés alignés sur un rail (29) et qui supportent le brin supérieur (32) d'une bande sans fin entraínée (33).
  27. Dispositif selon les revendications 21 et 26, caractérisé en ce que, par sa première extrémité (38), le rail (29) du dispositif de contre-appui (24) est monté pivotant sur un arbre (39) recevant simultanément un rouleau à bande (13) et, par sa seconde extrémité (41), il peut être réglé par rapport au moyen de guidage longitudinal (82) au moyen d'un dispositif de réglage (57) solidaire du bâti latéral.
  28. Dispositif selon les revendications 18, 20 et 27, caractérisé par une droite (61) qui passe par l'axe de rotation (59) d'un galet de roulement (31) monté sur le rail (29) du dispositif de contre-appui (24), qui est perpendiculaire au canal d'insertion (18) et divise en deux la distance (a) entre deux roues de guidage voisines (46) disposées sur le rail (44) du train de roues (43).
  29. Dispositif selon la revendication 28, caractérisé en ce que la proportion entre le nombre de roues de guidage (46) et le nombre de galets de roulement (31) est de 1:1.
  30. Dispositif selon la revendication 28, caractérisé en ce que la proportion entre le nombre de roues de guidage (46) et le nombre de galets de roulement (31) est égale à 2:1.
  31. Dispositif selon la revendication 28, caractérisé en ce que les moyens de maintien (6, 7 ; 5, 10) sont constitués de transporteurs à courroie supérieur et inférieur (6, 7 ; 5, 10) qui prennent les signatures (71) en sandwich au niveau des parties gauche et droite (72, 73) de celles-ci.
EP95904379A 1993-12-24 1994-12-23 Procede et dispositif permettant de fa onner un pli longitudinal Expired - Lifetime EP0735979B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4344603 1993-12-24
DE4344603 1993-12-24
PCT/DE1994/001533 WO1995018057A1 (fr) 1993-12-24 1994-12-23 Procede et dispositif permettant de façonner un pli longitudinal

Publications (2)

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EP0735979A1 EP0735979A1 (fr) 1996-10-09
EP0735979B1 true EP0735979B1 (fr) 1998-06-17

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Application Number Title Priority Date Filing Date
EP95904379A Expired - Lifetime EP0735979B1 (fr) 1993-12-24 1994-12-23 Procede et dispositif permettant de fa onner un pli longitudinal

Country Status (5)

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US (1) US5779232A (fr)
EP (1) EP0735979B1 (fr)
JP (1) JP2871858B2 (fr)
DE (1) DE59406295D1 (fr)
WO (1) WO1995018057A1 (fr)

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US20060022393A1 (en) * 2004-07-30 2006-02-02 Trovinger Steven W Method of sheet accumulation using sideways saddle motion
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CN108046033B (zh) * 2018-01-10 2023-08-08 兰州德科工程材料有限公司 一种布带机
JP7316058B2 (ja) * 2018-02-28 2023-07-27 ミュラー・マルティニ・ホルディング・アクチエンゲゼルシヤフト 逐次的に印刷された印刷用紙の次処理をするための装置及び方法
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Also Published As

Publication number Publication date
WO1995018057A1 (fr) 1995-07-06
EP0735979A1 (fr) 1996-10-09
JP2871858B2 (ja) 1999-03-17
DE59406295D1 (de) 1998-07-23
US5779232A (en) 1998-07-14
JPH09503472A (ja) 1997-04-08

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